Home / 473,212,914.30-709,819,371.45-392,591,346.30

Finding the Fourth Proportional to 473,212,914.30, 709,819,371.45 and 392,591,346.30

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Solution

The fourth proportional to 473,212,914.30, 709,819,371.45 and 392,591,346.30 is: 588,887,019.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,212,914.30 : 709,819,371.45 = 392,591,346.30 : x
  2. Step 2: Convert to fraction form
    473,212,914.30/709,819,371.45 = 392,591,346.30/x
  3. Step 3: Cross multiply
    473,212,914.30x = 709,819,371.45 × 392,591,346.30
  4. Step 4: Simplify right side
    473,212,914.30x = 278,668,942,667,375,296
  5. Step 5: Solve for x
    x = 278,668,942,667,375,296/473,212,914.30
  6. Step 6: Final answer
    x = 588,887,019.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.